Mitsubishi Electric City Multi PAC-LV11M-J Installation Manual Download

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AIR CONDITIONING SYSTEMS
CONNECTION KIT

PAC-LV11M-J

INSTALLATION MANUAL

For safe and correct use, please read this installation manual thoroughly before installing the indoor unit.

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Summary of Contents for City Multi PAC-LV11M-J

Page 1: ...AIR CONDITIONING SYSTEMS CONNECTION KIT PAC LV11M J GB INSTALLATION MANUAL For safe and correct use please read this installation manual thoroughly before installing the indoor unit ...

Page 2: ...e safety limit from being exceeded Should the refrigerant leak and cause the safety limit to be exceeded hazards due to lack of oxygen in the room could result When moving and reinstalling the unit consult the dealer or an autho rized technician If the air conditioner is installed improperly water leakage electric shock or fire may result After completing installation work make sure that refrigera...

Page 3: ...ed by long use If the damage is left uncorrected the unit may fall and cause personal injury or property damage Install the drain piping according to this Installation Manual to ensure proper drainage Wrap thermal insulation around the pipes to prevent condensation Improper drain piping may cause water leakage and damage to furniture and other possessions Be very careful about product transportati...

Page 4: ...nit Indoor unit that can be connected Capacity Refer to manuals of the outdoor unit Number of units Total system wide capacity Outdoor unit Connection kit Connection kit Connection kit Connection kit Branching Pipe Wall mounted Connection kit For connectable indoor unit models consult your dealer ...

Page 5: ... cm The size of the suspension bolts should be M10 W3 8 The bolts are not supplied with the unit A Ceiling B Rafter C Beam D Roof beam B Suspension bolt pitch Ferro concrete structures Secure the suspension bolts using the method shown or use steel or wooden hangers etc to install the suspension bolts E Use inserts rated at 100 150 kg each procure locally F Suspension bolts M10 W3 8 procure locall...

Page 6: ...llation pattern A Using suspension bolt recommended pattern Set the Connection Kit mounting plate as shown below The mounting plate can also be fixed to suspension bolts before it is fixed to the Connection Kit Installation pattern B Installing the unit on a wall Set the Connection Kit mounting plate as shown below Mounting plate Install the two screws 5 10 Wall Ceiling Suspension bolt M10 182 SER...

Page 7: ...screws 4 50 procure locally in oval holes Anchor nuts procure locally Wall Wall Ceiling 4 Oval holes 183 SERVICE SPACE 500 SERVICE SPACE 500 69 MIN 100 MIN 200 ANCHOR NUT PITCH 62 ANCHOR NUT PITCH 250 MIN 50 Mounting plate Install the two screws 5 10 Install the four screws 4 50 procure locally in oval holes Wall Wall Ceiling 4 Oval holes Anchor nuts procure locally ANCHOR NUT PITCH 250 MIN 50 183...

Page 8: ...he insulation pipes of the units in order to prevent it from burning and shrinking by heat Press the pipe cover 1 on the liquid piping against the Connection Kit and wrap it to hold it in place Fasten the supplied bands 20 mm from each of the pipe covers 1 Wrap the pipe cover 1 with tape Connection kit Refrigerant pipe procure locally Brazing To indoor unit To outdoor unit 120 20 20 Connection kit...

Page 9: ... 3 at the fastening points of indoor unit refrigerant pipes Set thermistor G gas in thermistor holders 2 or 3 and then fasten the refrigerant pipes Caution To prevent condensation from dripping on the thermistor fasteners wrap them with sufficient thermal insulation Install the thermistor so that the piping is on top as shown in above illustration Take out the thermistor lead from above the piping...

Page 10: ...the thermistor lead from above 5 Cover the thermistor with the thermal insulation Bundle up the excess thermistor lead Caution Do not make the thermistor lead taut Do not add extensions to the thermistor lead Do not cut the excess thermistor lead Make sure that the bundle of thermistor lead does not interfere with any other wiring Thermal insulation procure locally Pipe cover procure locally Therm...

Page 11: ...ne If connected electrical parts will be burnt out 5 Use a 2 core shield cable for connecting a transmission line to TB5 of the connection kit If transmission of different systems are wired with the same multiplecore cable which can result in poor transmission and receipt and can cause incorrect operation 6 The system will not operate if connected improperly TB2 Terminal block for power supply TB ...

Page 12: ...ion switch Note that generated overcurrent may include some amount of direct current Caution Some installation sites may require a ground fault interrupter If a ground fault interrupter is not installed an electric shock can occur Use only a circuit breaker and fuse of the specified capacity Using a fuse and copper wire with excessive capacity can cause a malfunction or a fire The temperature set ...

Page 13: ...H MA transmission cable A Address 51 A control Group B Address 01 E Address 02 C F D G The connection kit cannot be in the same group to which a CITY MULTI indoor unit belongs because their signal information differs A Address 51 A control IT terminal A control IT terminal C D C D E A Address 52 This unit configuration is not acceptable because signal information for the indoor unit to which the c...

Page 14: ...er 3 Connecting ME remote controller A Outdoor unit B Connection kit C Indoor unit D MAC 397IF E Remote controller MA F M NET transmission cable A Outdoor unit B Connection kit C Indoor unit D Remote controller ME E M NET transmission cable A Address 51 A PURY D Address 52 B Address 01 C E F A control TB TB5 TB02 TB3 A Address 51 A PUHY B Address 01 C D E A control TB TB5 TB3 A control IT communic...

Page 15: ... M NET transmission cable A Outdoor unit B Connection kit C Indoor unit D Remote controller ME E System controller F M NET transmission cable A Address 51 Group B Address 01 B Address 02 C C E E D A control TB TB TB5 TB5 TB7 TB3 A control A Address 51 Group B Address 01 B Address 02 C C E A control A control TB TB TB5 TB5 TB3 D A Address 51 Group B Address 01 B Address 02 C C F A control A control...

Page 16: ...the unit will not be pulled out 7 After installing the unit install the electric cover 68 57 118 Electrical cover 1Cable band Electrical wire inlet Power supply To indoor unit AT adapter board Bands Electrical wire inlet To outdoor unit From gas thermistor Screws Terminal block 1Cable band Controller board Controller board CN44 SW3 SW2 SW1 SW14 SW4 SW12 SW11 SWC SW5 SWA Terminal block TB to indoor...

Page 17: ...quired by the indoor units must be charged to the system Refer to the manual that came with the outdoor unit for details 2 3 6 Error code The table below summarizes the error codes for the indoor and outdoor units that are connected to the connection kit Refer to the relevant Service Handbook for other error codes Indoor unit capacity Liquid pipe size mm 15 50 ø6 35 0 8 Error code Indoor unit erro...

Page 18: ...in the way that the formula i ii iii is true Note In case of connecting with BC controller BRANCH No setting is required 5 Other When the unit is used in a high temperature and humidity atmosphere change the dip switch settings of the outdoor unit as fol lows 3 Specifications SW4 setting Model Dip switch setting PUHY PURY H series J series SW4 SW4 1 ON PUHY PURY K series or later SW4 1 10 0 OFF 1 ...

Page 19: ...0 240 㧨To outdoor unit㧪 Wiring to terminal block TB5 㧨To gas pipe㧪 Wiring from gas thermistor 㧨POWER SUPPLY㧪 Wiring to terminal block TB2 1 phase 220 240V 50 60Hz 㧨To indoor unit㧪 Wiring to terminal block TB ø6 35㧨Brazed㧪 ø6 35㧨Brazed㧪 Connection pipe of outdoor unit Connection pipe of indoor unit 280 250 213 142 69 62 65 110 355 280 250 183 11 62 Please attach a gas thermistor to the gas pipe of ...

Page 20: ...tch for mode selection Switch for capacity code Switch 10ths digit address set Switch for static pressure selection Switch for static pressure selection Switch BRANCH No Switch for mode selection Switch for model selection Switch for mode selection Linear expansion valve Fuse AC250V 6 3A Varistor Varistor F001 NR SA ZNR001 LEV TH23 SYMBOL C B P B A B Controller board Power supply board AT adapter ...

Page 21: ...21 GB 6 Refrigerant system diagram A Gas pipe thermistor TH23 B Gas pipe C Liquid pipe D Brazed connections E Strainer 100 mesh F Linear expansion valve G Indoor unit H Connection kit G F E E C A D B H ...

Page 22: ...onnection kit operation from the outdoor unit is not possible The following symptoms are not malfunctions See the operation manual of indoor units for details This mode is activated for approximately 1 minute to help avoid an insufficient supply of refrigerant during heating operation when refrigerant is stored in an indoor unit that has been turned off or thermo off A hissing noise can be heard i...

Page 23: ...xt page for details Normal Abnormal 4 3kΩ 9 6kΩ Open or short Refer to the thermistor characteristic graph below Low temperature thermistor Gas pipe thermistor TH23 Thermistor R0 15 kΩ 3 Multiplier of B 3480 kΩ 2 0 C 15kΩ 10 C 9 6kΩ 20 C 6 3kΩ 25 C 5 2kΩ 30 C 4 3kΩ 40 C 3 0kΩ A Temperature C B Resistance kΩ Rt 15 exp 3480 1 273 t 1 273 0 10 20 30 40 50 20 10 0 10 20 30 40 50 A B Normal Abnormal 1 ...

Page 24: ...wing order When the valve closes 1 2 3 4 1 When the valve opens 4 3 2 1 4 When the valve position remains the same all output signals will be OFF If any output signal is missing or if the signal remains ON the motor vibrates and makes clicking noise A Brown F White B Red G Control board C Blue H Connection CN60 D Orange I Drive circuit E Yellow J Linear expansion valve Phase number Output pulse 1 ...

Page 25: ...on the microcomputer Disconnect the connectors on the control board and connect LEDs to test the cir cuit as shown below Pulse signals are output for 10 seconds when the main power is turned on If there are LEDs that do not light up at all or remain lit after the pulses are turned off there is a problem with the driving circuit Replace the con troller board if driving circuit fail ure is detected ...

Page 26: ...de If the valve is leaky liquid pipe thermistor reading will be lower than normal If it is significantly lower than the ambient temperature valve closure failure is suspected If the amount of leakage is insignificant replacement of LEV is unnecessary unless it is causing a problem Misconnections of connectors or con tact failure Perform a visual check for disconnected connectors Perform a visual c...

Page 27: ...the unit is stopped 7 BRANCH No setting 1 SW14 Rotary switch This switch is used when the unit connected to an R2 series of outdoor unit Note Changes to the dipswitches SW11 SW12 SW14 and SW15 must be made while the unit is stopped and the remote controller is OFF Factory setting Factory setting Set SW5 to 240V side when the power supply is 240 volts When the power supply is 220 and 230 volts set ...

Page 28: ...tions Low Voltage Directive 2006 95 EC Electromagnetic Compatibility Directive 2004 108 EC Please be sure to put the contact address telephone number on this manual before handing it to the customer HEAD OFFICE TOKYO BLDG 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN Authorized representative in EU MITSUBISHI ELECTRIC EUROPE B V HARMAN HOUSE 1 GEORGE STREET UXBRIDGE MIDDLESEX UB8 1QQ U K ...

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